A Symptoms - Antilock Brake System

Important: The following steps must be completed before using the symptom tables.

1. Perform the A Diagnostic System Check - ABS before using the Symptom Tables in order to verify that all of the following are true: Diagnostic System Check
^ There are no DTCs set.
^ The control module(s) can communicate via the serial data link.
2. Review the system operation in order to familiarize yourself with the system functions. Refer to ABS Description.


Visual/Physical Inspection
^ Inspect for aftermarket devices which could affect the operation of the antilock brake system.
^ Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
^ Inspect the master cylinder reservoir for the proper fluid level.


Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^ Traction Control System Off Indicator Always On
Traction Control System Off Indicator Always
^ Traction Control System Off Indicator Inoperative
Traction Control System Off Indicator Inoperative
^ Acceleration Slip Regulation Indicator Always On
Acceleration Slip Regulation Indicator Always On
^ Acceleration Slip Regulation Indicator Inoperative
Acceleration Slip Regulation Indicator Inoperative
^ No Communication with EBCM
No Communication With EBCM
^ ABS Indicator Always On
ABS Indicator Always On
^ ABS Indicator Inoperative
ABS Indicator Inoperative
^ Low Traction Indicator Always On
Low Traction Indicator Always On
^ Low Traction Indicator Inoperative
Low Traction Indicator Always On